EnglishIUP - Alejandra Valadez Flores

Tense	Negative Element + contracted forms	Example
Present Simple	do+not = don’t does+not = doesn’t	I do not play. She doesn’t play.
Past Simple	did+not = didn’t	I didn’t play.
Present Progressive	am + not (*no amn’t) is+not = isn’t are+not = aren't	I am not playing. He is not playing. We aren’t playing.
Past Progressive	was+not = wasn’t were+not = weren’t	I wasn’t playing. They were not playing.
Present Perfect	have+not = haven’t has+not = hasn’t	You haven’t played. She has not played.
Present Perfect Progressive	have+not+been= haven’t been has+not+been = hasn’t been	I have not been playing. She hasn’t been playing.
Past Perfect	had+not = hadn’t	You hadn’t played.
Past Perfect Progressive	had+not+been = hadn’t been	She hadn’t been playing.
Future Simple	will+not = won’t	I won’t play.
Future Perfect	will+not+have = won’t have	He will not have played.
Conditional	would+not	She wouldn’t play.
Conditional perfect	would+not+have	She wouldn’t have played.
Modals	can + not = can’t or cannot (formal) should+not = shouldn’t	I can’t play. I cannot play. We shouldn’t play